On Feb 8, 2011, at 2:35 PM, Mauro Ferreira wrote:
Dear members,
I would like a help for extracting the values from a step function
(stepfun).
From help(stepfun) we have the following example:
Y0<-c(1.,2.,4.,3.)
y0<-c(1.,2.,3.,4.)
sfun<-stepfun(1:3,y0,f=0)
plot(sfun)
Now, suppose instead I was given the object (*sfun*, say) from which I
wanted to extract the values generated by the function *stepfun*. More
precisely, I want to know how to get the X and Y (generated by the
function
*sfun*) that are used in the graph (plot(sfun)).
It appears that you have not yet consulted the help page for stepfun
where this is documented:
> ls(envir = environment(sfun))
[1] "f" "method" "n" "x" "y" "yleft" "yright"
>
> environment(sfun)$x
[1] 1 2 3
> environment(sfun)$y
[1] 2 3 4
> environment(sfun)$yleft
[1] 1
Thanks in advance for helping me.
Ferreti
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
